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Can you help me test statictic? and for Z formula, which formula i should use between A and B? fsignificance Level 0.05 Null Hypothesis Mmale

Can you help me test statictic? and for Z formula, which formula i should use between A and B?
\fsignificance Level 0.05 Null Hypothesis Mmale = Mfemale Alternative Hypothesis Mmale + Mfemale male weight Female weight sample Size (n) 35 45 Sample Mean ( x ) 75.1 56.01 Sample Std. Dev. (S) 15. 69 10. 71 2 sided fest 25 26 V( PIX - Pok ) - ( Prx - Pok ) D Z = (Prx )( 1 - PIX ) ( Pak )( 1 - Pox ) + 11X 1Lok

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